Investigation of optical and physico-chemical properties of titanium-doped V₂O₅ nanofilms

I. Aimbetova; R. Jiménez-Castañeda; J. Clavijo-Blanco; B. Umirov; B. Seitov

doi:10.31643/2023/6445.17

Authors

I. Aimbetova Akhmet Yassawi International Kazakh-Turkish University
R. Jiménez-Castañeda University of Cadiz
J. Clavijo-Blanco University of Cadiz
B. Umirov Akhmet Yassawi International Kazakh-Turkish University
B. Seitov Akhmet Yassawi International Kazakh-Turkish University

DOI:

https://doi.org/10.31643/2023/6445.17

Keywords:

vanadium pentoxide, nanofilms, doping, smart windows, optical properties.

Abstract

In this paper, undoped and Ti-doped V₂O₅ thin ﬁlms were fabricated and deposited onto glass substrates using a «doctor blading» method. Then, the effects of Ti-doping on the optical properties of the thin ﬁlms were investigated. Titanium doping concentration of 0.25-0.75 at.% has been investigated. After treatment in air at different temperatures, the obtained films was characterised by various techniques such as scanning electron microscopy (SEM), X-ray diffraction (XRD) and photoluminescence (PL). It was found that the as-obtained doped films possessed thermochromic properties and optical switching characters. According to optical tests, thin linings of vanadium dioxide alloyed with Ti have optical properties that are effective for application. Because of their capacity to automatically control interior solar irradiation, lower air-conditioning energy consumption, and maintain a comfortable internal thermal climate, smart windows have drawn increased interest in recent years. The doping strategy and integrating with functional coatings can regulate the properties of obtained V₂O₅ ﬁlms.

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Author Biographies

I. Aimbetova, Akhmet Yassawi International Kazakh-Turkish University

Candidate of Technical Sciences, Associate Professor of the International Kazakh-Turkish University named after Khoja Ahmed Yasawi, B.Sattarkhanov str., Turkestan 161200, Turkestan, Kazakhstan.

R. Jiménez-Castañeda, University of Cadiz

Professor, Department of Electrical Engineering, University of Cádiz, Puerto Real, 11519, Cádiz, Spain.

J. Clavijo-Blanco, University of Cadiz

Professor, Department of Electrical Engineering, University of Cádiz, Puerto Real, 11519, Cádiz, Spain.

B. Umirov, Akhmet Yassawi International Kazakh-Turkish University

Senior lecturer of the International Kazakh-Turkish University named after Khoja Ahmed Yasawi, B.Sattarkhanov str., Turkestan 161200, Turkestan, Kazakhstan.

B. Seitov, Akhmet Yassawi International Kazakh-Turkish University

Head of the Department of Physics, International Kazakh-Turkish University named after Khoja Ahmed Yasawi, B.Sattarkhanov str., Turkestan 161200, Turkestan, Kazakhstan.

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